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Modern Events Calendar Lite <= 6.3.0 - Unauthenticated SQL Injection

CVE-2021-4458 · modern-events-calendar-lite

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Modern Events Calendar Lite at a vulnerable version. How SiteRespond intelligence works

Vulnerability
Modern Events Calendar Lite <= 6.3.0 - Unauthenticated SQL Injection
Affected software
modern-events-calendar-lite(Plugin)
Affected versions
  • ≤ 6.3.0
Authentication
Unauthenticated
Vulnerability type
SQL injection
CVE
CVE-2021-4458
Published
11 July 2025
CISA KEV
Not listed in CISA KEV at last catalog refresh
Impact
May allow attackers to read or modify database contents beyond intended access.
Source

Data imported from Wordfence Intelligence (advisory 703ba736-5834-40f2-9cf6-a6a70a73e4d6). Methodology and redistribution notes

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